Nutrafin Max Goldfish Sinking Pellets (Medium Pellets) is a nutritious highly palatable formula naturally coloured by its ingredients featuring natural colour enhancers in a high value format containing 530 g (18.69 oz) of medium sinking pellets. Includes spirulina for an excellent source of unique proteins as well as various pigments, a natural binder that supports digestive conditions, multi-vitamins and Advanced Yeast Extract for digestive system support and more for the ulitmate in goldfish nutrition.